BAKER (KTNV) — UPDATE 6:29 P.M.: A tractor-trailer carrying 25,000 pounds of tires caught on fire. San Bernardino County Fire responded to the scene.

Limited water sources and the high temperatures made it conditions difficult, according to San Bernardino County Fire.
UPDATE 5:19 P.M.: The left lane of northbound Interstate 15 is now open. Traffic will continue to pass in the median and the first lane. The second lane will remain closed for emergency lanes.
**CLOSURE UPDATE**The #1 (left lane) of northbound I-15 is open. Traffic will continue to pass in the median and #1 lane. The #2 will remain closed for emergency crews to extinguish the flames and cleanup the scene.
— CHP Barstow (@CHP_Barstow) July 14, 2025
Fire conditions have improved. The closure at Zzyzx will be lifted, and emergency crews are still actively working to reopen all lanes.
ORIGINAL STORY
A commercial vehicle fire has closed down all northbound lanes on Interstate 15, south of Baker, according to the Barstow California Highway Patrol.
All northbound traffic will be rerouted at Zzyzx Road.
**I-15 TEMPORARY CLOSURE**All NB lanes of I-15 near mile marker 133, south of Baker are currently closed due to a commercial vehicle fire. All NB traffic will be rerouted back south at Zzyzx Road. Fire crews are estimating 3 hours to contain the fire. SB lanes are still open. pic.twitter.com/1Pjv0CoeCQ
— CHP Barstow (@CHP_Barstow) July 14, 2025
Fire crews are estimating three hours to contain the fire. Southbound lanes are still open.
We will be updating this story with the latest